Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official fuel-system O-ring identity | 114-8718 |
| Same-number Formatting Variant | Search alias only | 1148718 |
Excavator Engine Parts
114-8718 26.64 mm Fuel System O-Ring for Cat 3116 3126 3306 Engines
Product video
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OEM / reference114-8718
SpecificationFluorocarbon Fuel System O-Ring Seal
Catalog ID53741896
Fluorocarbon rubber fuel-system O-ring identified by official Cat part number 114-8718. Cat specifies a 0.103 in cross-section diameter and 1.049 in (26.64 mm) inside diameter. The seal is used in fuel injection pump and unit-injector applications, including Cat 3116, 3126 and 3306 engine families. Six selected exact owned photographs show the same O-ring.
- Product Type
- Fluorocarbon Fuel System O-Ring Seal
- Cross-Section Diameter
- 0.103 in
- Inside Diameter
- 1.049 in / 26.64 mm
- Fuel-System Application
- Fuel injection pump and unit injector
- Condition
- New replacement component
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
Formatting alias
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Fluorocarbon Fuel System O-Ring Seal
- Category
- Excavator Engine Parts
- Catalog ID
- 53741896
- Photo views
- 6
Before ordering
Confirm these details
- Match the complete part number on the original component.
- Compare connectors, mounting points and visible dimensions with the product photos.
- Confirm the exact machine or engine model and serial range before ordering.
Machine fitment
Compatible model references
4 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about 114-8718
Which machines use 114-8718?
Recorded compatible model references include Official Cat Engine Families: 3114 / 3116 / 3126 / 3208 / 3304 / 3306 / 3406 / 3408 / 3412, Representative Cat Excavators: 219D / 225D / 235B / 235C / 235D / 320B / 322 / 322B / 322C / 325 / 325B / 330 / 330B / 350, Other official Cat applications: Selected loaders, graders, tractors, compactors, trucks, generator sets and other equipment listed by Cat, Fitment limitation: Confirm 114-8718, 26.64 mm inside diameter, cross-section, fuel-system location and engine arrangement before shipment. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 114-8718?
Formatting aliases for the same number: 1148718.
How do I confirm 114-8718 before ordering?
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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